 |
• Applications:
It is
mainly applied for drilling anchor-network support holes in coal mine to
guarantee fast and high efficiency in cave excavating.
• Feature:
With the perfect stability in penetration and hole drilling of PDC, it will not easy to be collapsed.
The service life of this drill bit is 10-30 times longer than normal alloy bits when drilling the same rock formation.
No need to sharpen. This bit can lower work intensity and save man-hour.
Applicable rock formation: f<12.
• Types: Ordinary type; Reinforced type; Super strength type.
• Threads: M16×2, M14×2, M14×1.5, M12×2, M12×1.75.
 • Specification： |
| Model | Diameter(mm) | PDC cutter type | Blade No. | Suitable rock formation | Operation mode |
| SD25MG | 25 | Plane PDC, Cambered face PDC, GK PDC, ZX PDC | 2 | Soft, medium, medium-hard | Cutting |
| SD26MG | 26 | Plane PDC, Cambered face PDC, GK PDC, ZX PDC | 2 | Soft, medium, medium-hard | Cutting |
| SD27MG | 27 | Plane PDC, Cambered face PDC, GK PDC, ZX PDC | 2 | Soft, medium, medium-hard | Cutting |
| SD28MG | 28 | Plane PDC, Cambered face PDC, GK PDC, ZX PDC | 2 | Soft, medium, medium-hard | Cutting |
| SD29MG | 29 | Plane PDC, Cambered face PDC, GK PDC, ZX PDC | 2 | Soft, medium, medium-hard | Cutting |
| SD30MG | 30 | Plane PDC, Cambered face PDC, GK PDC, ZX PDC | 2 | Soft, medium, medium-hard | Cutting |
| SD32MG | 32 | Plane PDC, Cambered face PDC, GK PDC, ZX PDC | 2 | Soft, medium, medium-hard | Cutting |
| SD36MG | 36 | Plane PDC, Cambered face PDC, GK PDC, ZX PDC | 2 | Soft, medium, medium-hard | Cutting |
| SD42MG | 42 | Plane PDC, Cambered face PDC, GK PDC, ZX PDC | 2/3 | Soft, medium, medium-hard | Cutting |
| SD45MG | 45 | Plane PDC, Cambered face PDC, GK PDC, ZX PDC | 2/3 | Soft, medium, medium-hard | Cutting |
In China
